.– Was the driving pleasant when you vacationed in Mexico last summer?--- No, it _____for four days when we arrived, so that the roads were very muddy.
They appeared ____ me, so I had to explain to them.
The _____ of freshwater brought about a lot of difficulties for those living on the island.
The Chairman thought ______ necessary _____ Professor Smith to speak at the meeting.
The problem he put forward at the meeting was _____. Which one of the following is “WRONG?”
Don’t all speak at once! _______ please.